Drier



Oct. 7, 1930.

F. A. JADIN ET AL.

' DRIER Filed Feb. 10, 1930 2 Sheets-Shoot l z FERDINAND A. JADIN- GEORGE E .mpm.

THE/I? ATTOANEX Patented Oct. 7, 1930 UNITED T TES PATENT OFFICE FERDINAND A. J'ADIN AND ononen r. aADmQoFsA UsALIro, CALIFORNIA DRIER-J Application filed m m 10,1930. Serial no. 427,2 oo.

a. current of; air circulated upwardly through.

and past the materials to evaporate moisture therefrom and'to deliver the evaporated 1nois-.

ture'into a stack arranged to carry oil? the products of combustion from a heating means in mounted within the bottom of the casing The primary object of our invention is to provide an improved drying device. Another object is to provide animproved drying machine which will expedite the drying, of laundry or similar materials-to be dried. v a v p A further object is to provide an improved device of the character described wherein evaporated moisture is delivered into a stack to be carried out with the productsof combustion of the heating means.

Another object is to provide an improved device having. means for catching condensed moisture and exposing the same to a maximum heat to insure re-evaporation and delivery to the stack. 1

A further object is to provide an improved machine adapted to produce an effective current of heated air for drying. v r V A still further object is to providean improved machine of simple and economical construction and which is simple and efficient in operation.

- WVeaccomplish these and other objects by drawin s formin a art of the resent a l ze P P pllcaton wherein like characters of reference are used to designate similar parts throughout the specification and drawings, 'and'in, p

sions 19 and 21 pr ecting longitudmally s5 i h I p s i Fig. 1 is a broken vertical mid-section of our improved drier;

Fig. 2 is a transverse taken upon the line 22 ofFig, 1in the direction indicated; and

means ofthe improved device disclosedin the 1 horizontal section V Fig.3 is a broken sectional detail drawn upon a larger scale and showing the manner in which the upper bafile delivers condensed moisture to the upper draining trough.

Referring to'the drawings, the numeral 1 m is used to designate in general a casing, preferably of cylindrical form, formed from suitable sheet metal. The casing 1 is supported by' suitable legs 2am is provided with a cover 3, preferably of conical form and ham ing a vent openingA at the apex of the cone.

7 The casing 1 has adoor opening 6 formed inone side thereof. Q A door 7 is mounted upon the casing to cover and uncover the opening 6, said door preferably being shaped 80 to conformto the curvature of the cylindrical casing and being slidablymovable upon run-V Ways- 8 mounted upon the outer surface of the casingabove andbelow the door opening.

A crown plate 9 is mounted within the lower portion of the casing 1 in spaced relation to the bottom of the casing. Suitable heating means 11, preferably a gas burner, is mounted below the crown plate 9. A stack 12 is connected atits lower end into the space 7 immediately below the crown plate 9 to carry offproducts of combustion from the heating means. a a m A baffle 14 is mountedwithin the casing 1. The baflle 14; is spaced above-the crown plate 9 and has a relatively large aperture 16 formed through the center thereof. A plurality of air] inlet apertures 17 are formed in the wall of the casin g 1 to open into the space between the plate 9 and the baffle 14.

An inner casing 18 is mounted within the casing 1 above the baffle 14:. The-casing 18 preferably consists of a cylindrical body open at top and bottom andlprovided with extenfrom the top and bottom of the casing. ,A

' door opening 22 is formed inthe casing 18 to register with the door opening 6 of the outer casing 1. A door 23 similar to the door 7 is mounted upon runways 24.: above and be upper extensions 19 in spaced relation to the cover 3 and with its edges spaced above and overhanging ,the' upper edge'of the casing 18.

An upper drain trough 27 is mounted within the top of the casing 1. The trough 27 extends entirely around the casing and is overhung by the edge of the baflie 26 whereby moisture draining from said baflie will be cau ht within the trough 27. The trough is preferably provided with a drain -pipe'2'8 extending downwardly through the bafiie 14 and crown plate 9 to deliver collected moisture from the trough to a trough 29 mounted within the lower portion of the casing 1 below the crown plate 9 and adjacent the heating means 11.

A vent pipe 31 is connected at one end to the vent opening 4 and extended into the stack 12 at a point above the top of the easing. The pipe 31 is preferably provided with an upwardly turned'end portion 32 within the stack. The stack 12 is provided with an enlarged section 12 adjacent the end of the vent pipe to obtain an expansion of'the gaseous products of combustion adjacent the opening of the pipe 31 within the stack.

A basket 33 provided with a mesh bottom 34 is insertable through the door openings 6 and-22 into the inner casing 18. A pairvof tracks 36 extend through the doors into said casing, said tracks preferably consisting of angle iron members supported upon legs 37 resting upon the top of the apertured baffle 14. The flanges of the track member 36 are interrupted to permit sliding movement of the doors 7 and 23 therepast. The tracks 36 are extended outwardly past the outer casing 1 to provide supports upon which the basket 33 may be rested to facilitate the introduction and removal of the basket.

In operation, the basket 33 is filled with laundry or other wet materials to be'dried and inserted into the inner casing 18. The doors 7 and 23 are then closed. The heating means 11 heats the crown plate 9,thereby causing the air immediately above the crown plate to be heated and caused to rise upwardly through the apertures 16, cool dry 7 air from outside the casing 1 being drawn into the casing through the apertures 17. As the heated air passes through the apertures 16 it circulates upwardly through the casing, part of said air passingupwardly through the mesh bottom of the basket and part of the air passing upon both sides of the walls of the inner casing 18, and causing the walls of the basket and of said casing to become heated.

At the top of the inner casing 18, the up wardly rising air passes between the edge of the casing and the overhanging edge of the baflie 26. The air then moves between the baiile 26 and cover 3 and through the opening 4 into the vent pipe 31. The products of combustion from the heating means 11 pass upwardly through the stack 12, the up Ward draft of said gases causing the air to be drawn'from the vent pipe 31 into the stack and thence outwardly to the atmosphere. Theenlarged portion 12 of the stack causes an expansion of the gases to occur adjacent the outlet of the pipe 31, thereby creating a suction whereby the draft upwardly through the pipe 31 is increased, and an increased circulation of'air upwardly through the casing is obtained.

The heat of the chamber formed by the casings 1 and 18, togetherwith the upward circulation of heated air through and around the basket 33 causes the moisture to be rapidly evaporated from the materials to be dried. The evaporated moisture is carried upwardly and out of the casing with the upward current of'heated air. There is a tendency of the moisture carried by the air to condense upon the cover and upon the baffle 26. Such condensed moisture drains from the upper surface of the baflie 26 and drips from the edge thereof into the trough 27. The moisture thus draining from the baflie 26must pass directly through the path of the upwardly moving current ofair passing'through both the inner and outer casing, thereby causing such moisture to be again evaporated and carried out with the air. Should the condensation exceed the quantity which the passing current of air can reevaporate, the surplus drains through the pipe 28 to the lower trough 29. The lower trough is in close proximity to the heating means and the surplus moisture is'thus exposed to the direct heat of the heating means and is quickly evaporated and carried through the stack 12 with the products of combustion from the heating means.

In this manner, the moisture contained in the products being dried is quickly evaporated and entirely carried off through thestack 12. When the material has been sufficiently dri'ed, the basket 33 is removed and the dried materials replaced by additional quantities of wet materialsas desired.

The specific details of construction and arrangement are, of course, subject to modification without departing from the spirit of our invention. ourselves of such modifications as may fall within the scope of the appended claims.

Having thus described our invention, what we claim as new and desireto secure by Letters Patent is:

We therefore desire to avail" from the baflle and from the top'of the outer casing respectively; doors mounted tocover 1; A 'drierconiprising an outer casing pro vlded with a coverhavingavent opening;

heating means mounted within thejlower portion of the casing a crown plate mounted within the casing above the heating means;

an apertured baflie mounted within the casingfsaid bafiie being spaced above thecrownf plate and said casing having air inlet openi ings between said crown plate 'andibaflie; an

5 inner casing mounted within the outer c'as ing, thewall's of said inner casing being spacedfrorn the wallsofthe outer'casing and the ends of said inner casing being spaced andfuncover registering openings formedin the inner and outer cas1ngs;a basket torethe upper edge of said casing and also spaced from the cover to form an "outlet passage around the top offlthe inner casing and between said top baflle and thecover; a stack connected'jinto the outer casing below the crown plate; and a vent pipe'connect'ed to the vent opening of the cover and opening-into the stack "to conduct moisture from the casingstosaid'stack. i

2'. A drier comprisingan outereasing provided witha cover having a "ventopening; heating means mounted 'within the lower portion of the'casing; a fcrownp'late mounted within the casing above the heating means;- an apertured baflie mounted within the casing; said bafllebeing spacedabove the crown plate and said casing 'having air inlet openings between said crown plate and bafile; an"

inner casing mounted within the outer cas ing; the walls of "said inne'r casing being spaced from the walls oftheouter casing and the ends-of said inner casing being spaced fromthe bafilejand from the top of the outer casing respectively; doors mountedto'cover and uncover registering openings :formed in theinnerf and outer casings; 'abasketto receive materials to be dried, said basket being insertable into the inner casing through the doors; means for supporting the basket above the apertured baflie; aftop bafile mounted above the inner casing spaced relation to theupperedge offsaid casing and'a'lso spaced from the cover to. forman outlet passage around the top of the inner casing-and between' said-top bafiie and the cover ;"a. stack.

connected into the outer casing below the crown plate; a vent ipipe" connected .atoi the around the topof the inner'jcasing and be vent opening of the cover f and opening into the stack to conduct moisture from the caseingsto saidstack; and an enlarged section of the stack 'forinedadjacent theoutlet' of the vent pipe therein to cause asuction increasing the draft throughthe vent.= i

"3. A drier comprising an outer casing providedwitha cover having a vent opening;

heating means mounted within the lower a portion of the casing;ia crownplate mounted within the casing above the heating means;

an apertured baflle mounted within the casing, said baflle being spaced above the crownv plate and said casing having air inlet openings between said crown plate and baffle; an

inner casing (mounted within the outer cas- 7 'ing, the walls ofsaid inner "casing being spaced from v.the walls "of a the outer casing andthe'ends of said inner casing being spaced from thebafileand from the topof the outer casing respectively; doors mountedto cover and uncover registerlng openings formed in the inner and outer cas1ngs;.a basket to re.-

ceive materials to be dried, saidbasket being insertable into the inner casing ithrough the doors; means for supporting the basket above 7 the apertured baflie; a top Ybafile mounted above the inner casing in spaced relation to theupper edge of said casing and also spaced tweensaid top baflie and the cover; a stack from the cover to form an" outlet passage around the top of the inner .casing-andbe-ioo "connected into theouter casingbelow the p crown plate avent pipe connected torthe vent opening of the cover and openin'gtinto the stack to conduct moisture from the casings to said stack; and a drain trough mounted within the'top of theoutercasing'the edges 1' ofthe upper baffle overhanging :the trough-Q to drain moisturecondensingup'dn saidbafile .4 Wi 4. A drier comprising an outer casing pro-1 vided with a cover having a vent; opening; heating means mounted within theflower pora tionrof' the. casing a :crown platemounted l within thecasing above the heating means;

an apertured baifieumounted: within the casing,sa.id bafile being spaced above the crown plate and said casing having airinletopenings between: saidcrownaplate and bafile; an

inner casing mounted within the? outer casing, the walls. of said inner oasingwbeing'spaced from the walls oftheouter casing and-t the ends of said innercasing being spaced from-1 the baflle and from thetop of the outer casing' respectively; doors mounted to cover and uncover registering openings formed in'the inner and outer casings acbasket to-receive materials to be dried; said basket being in-? 1 sertableinto the inner casing through the 3 doors; means for supporting the basket above the apertured bathe; a top bafli'e mounted;

above the inner casing in space'd relation to :the upper edge of saidicasing and: also spaced T from the cover to form angoutlet' passage tween said top bafile and the cover; a stack connected into the outer casing below the" crown' plate; a vent pipe connected to the} vent opening of the coverand opening into the stackto conduct moisture from the casing:

tron h; a moisture receiving'trough mounted within the lower portion of the outer casing adjacent the heating means; and means for delivering moisture from' the drain trough to the receiving trough whereby said moisture may be evaporated by;heat from the mounted above the inner casing and in spaced heating means. i

5. ,A drier comprising a-n'outer casingprovlded with a cover havlng a vent opening;

heating means mounted within-the lower por--' tion of thecasing; a crown plate mounted within the casing above the heating means; an apertured baflie mounted within thecasing abovethe crown plate-,said casing'hav-in'g air inlet openings between said crown plate and the'baflie; an inner casing mounted within the outer casing the walls of said inner casing being spaced from the walls'ofthe outer casing; means supporting said inner casing-with its lower end spaced above the baflle whereby air heated by the crown plate may rise upwardly upon the inner and outer sides ofsaid'inner casing; doors mounted in connection with the lnner and outer casings a-nd mo vable to open and close registering door openings formed therein; a basket to receive materials to' be dried, said basket being insertableintotheinner casing through thefdoorsy mea ns for supporting the basket abovethebaifle to permit heated air to rise through and around the basket; a=- top bafiie mounted above the inner casing and inspaced relation to thefouter casing cover; means supporting said bathe in spaced relation to the top of the inner casing whereby air may pass from the inner casing past the edge of said baflie drain meansmounted within the easing to receive moisture condensing upon the upper bafiie and draining therefrom; a stack connected into the lower portion of the outer casing below the crown plate and adjacent the heating means; and a vent pipeconnected to the vent opening oft-he coverIand opening into the stack whereby moisture evaporated by heated air passing upwardly through the casings andbasket may be drawn into the stack.

6. A drier comp'risingan outer casing provided with a cover having a vent opening; heating means mounted within the lower portion of the-casing; a crown plate mounted within the casing above the heating means;-

an apertured baflie mounted within the casing above the crown plate; said casing hav ing air inlet openings between said crown plate and the baflie'; an inner casing mounted within the outer casing, the walls of said inner casing being spaced from the walls of the outer casing; means supporting said inner casing with its lower end spaced above the bafiie whereby air heated by the orown'pl'ate' relation to the outer casing cover; means supporting said baflle in spaced relation to the top of the'inner casing whereby air may pass :from the inner casing past the edge of said baflle; drain means mounted within the easingto receive moisture condensing upon the upper baflle and draining therefrom; a stack connected into the lower portion of the outer vcasing below the crown plate and adjacent the heating means; a vent pipe connected to the vent opening of the cover and opening into the stack whereby moisture evaporated by heated air passing upwardly through the casings and. basket may be drawn into the stack; and-an enlarged section formed in the stack adjacent the outlet of the vent pipe to cause a suction increasing the draft through the vent. r I

7. A drier comprising an outer casing provided with a cover having a' vent opening; heating means mountedwithin the lower portion of the casing; a crown plate mounted within the casing above the heating means; i an apertured bafile mounted within the cas-' ing above the crown plate, said casing having air inlet openings between said crown plate and the baffle; an inner casing mounted within the outer casing, the walls of said inner casing being spaced from the walls of the outer'casing, said inner and outer casings'having registering door openings formed therein; doorsslidably mounted adjacent the door opening of each casing; legs upon the lower end of the inner casing supporting said casing above the apertured baflle whereby air may pass upwardly from the crown plate through and around the inner casing; a track mounted upon the baflle and extending into theinner casing a basket slidably movable 1 along said track into the inner casing, said basket being ap'ertured to permit a circulation of air upwardly therethrough to dry materials therein; a bafiie mounted above the inner casing in spaced relation to thecover, said baflieisloping downwardly toward its edges andforming a vent passage between the upper edge ofthe inner casing andsaid baffle and between the baflie and the cover; a drain trough mounted within the top of the outer casing, said trough being overhung by the edges of the bafile to receive moisture condensingand draining therefrom; a trough mounted within the bottom of the outer casing below the crown plate and adjacent the burner; means for delivering drained moisture from the upper trough to the lower trough; a stack connected into the lower portion of the outer casing below the crown plate; and a Vent pipe connected to the Vent opening in the cover and opening into the stack whereby moisture evaporated by heated air passing upwardly through the casing and basket may be drawn into the stack.

In witness whereof, we hereunto set our signatures.

FERDINAND A. JADIN. GEORGE P. JADIN. 

